/*
 * Copyright (C) 2000-2008 Jens Nixdorf and various contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies of the Software, its documentation and marketing & publicity
 * materials, and acknowledgment shall be given in the documentation, materials
 * and software packages that this Software was used.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.mopore.jat.timer.creation;

import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.LinkedList;
import java.util.List;

import org.mopore.jat.gui.IntegerTextField;
import org.mopore.jat.gui.wizard.ButtonPanel;

public class CustomCountDownValidator extends KeyAdapter {

	private final List<IntegerTextField> integerTextFields;
	private final ButtonPanel buttonPanel;
	
	
	public CustomCountDownValidator( ButtonPanel buttonPanel ){
		this.buttonPanel = buttonPanel;
		this.integerTextFields = new LinkedList<IntegerTextField>();
	}
	
	
	@Override
	public void keyReleased(KeyEvent e) {
		
		boolean freeButtons = true;
		int useFullEntries = 0;
		
		for ( IntegerTextField textField : integerTextFields ) {
			boolean textFieldIsValid = textField.isInputValid();
			if ( textFieldIsValid ){
				Integer value = textField.getIntegerValue();
				if ( value != null ){
					useFullEntries++;
				}
			}
			else{
				freeButtons = false;
				break;
			}
		}
		
		if ( useFullEntries == 0 ){
			freeButtons = false;
		}
		
		if ( freeButtons ){
			buttonPanel.enableNextButton();
			buttonPanel.enableFinishButton();
		}
		else {
			buttonPanel.disableNextButton();
			buttonPanel.disableFinishButton();
		}
	}
	
	public void addField( IntegerTextField textField ){
		integerTextFields.add( textField );
		textField.addKeyListener( this );
	}
}
